Silicon Valley's latest meme obsession: A years-old picture of Chamath Palihapitiya in a chunky turtleneck

Chamath Palihapitiya has gone viral for his knitwear choices. JC Olivera/Variety via Getty Images Chamath Palihapitiya is at the center of Silicon Valley's latest meme obsession. An image of the investor wearing a chunky white turtleneck during a podcast has gone viral on X. Users turned him into "Dune" sandworms and famous paintings, while Elon Musk praised his style. Silicon Valley has found its joke of the summer and, like the enormous white sweater at the center of it, it just keeps…